./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fba7c2450ebfbc56ef96a7ec6705e6882c3548e1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:10:33,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:10:33,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:10:33,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:10:33,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:10:33,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:10:33,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:10:33,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:10:33,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:10:33,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:10:33,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:10:33,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:10:33,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:10:33,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:10:33,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:10:33,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:10:33,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:10:33,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:10:33,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:10:33,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:10:33,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:10:33,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:10:33,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:10:33,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:10:33,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:10:33,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:10:33,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:10:33,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:10:33,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:10:33,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:10:33,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:10:33,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:10:33,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:10:33,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:10:33,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:10:33,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:10:33,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:10:33,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:10:33,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:10:33,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:10:33,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:10:33,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 09:10:33,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:10:33,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:10:33,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:10:33,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:10:33,279 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:10:33,279 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 09:10:33,279 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 09:10:33,279 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 09:10:33,280 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 09:10:33,280 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 09:10:33,280 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 09:10:33,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:10:33,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:10:33,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:10:33,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:10:33,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:10:33,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:10:33,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 09:10:33,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 09:10:33,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 09:10:33,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:10:33,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:10:33,283 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 09:10:33,283 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:10:33,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 09:10:33,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:10:33,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:10:33,284 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 09:10:33,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:10:33,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:10:33,285 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 09:10:33,286 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 09:10:33,287 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba7c2450ebfbc56ef96a7ec6705e6882c3548e1 [2019-11-20 09:10:33,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:10:33,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:10:33,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:10:33,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:10:33,452 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:10:33,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2019-11-20 09:10:33,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/data/8b0518811/b857c7cc839b4e58822926ff049fa217/FLAG090567e54 [2019-11-20 09:10:34,060 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:10:34,067 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2019-11-20 09:10:34,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/data/8b0518811/b857c7cc839b4e58822926ff049fa217/FLAG090567e54 [2019-11-20 09:10:34,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/data/8b0518811/b857c7cc839b4e58822926ff049fa217 [2019-11-20 09:10:34,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:10:34,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:10:34,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:10:34,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:10:34,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:10:34,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:10:34" (1/1) ... [2019-11-20 09:10:34,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca9f7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:34, skipping insertion in model container [2019-11-20 09:10:34,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:10:34" (1/1) ... [2019-11-20 09:10:34,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:10:34,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:10:35,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:10:35,078 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:10:35,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:10:35,274 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:10:35,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35 WrapperNode [2019-11-20 09:10:35,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:10:35,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:10:35,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:10:35,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:10:35,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:10:35,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:10:35,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:10:35,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:10:35,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... [2019-11-20 09:10:35,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:10:35,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:10:35,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:10:35,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:10:35,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-20 09:10:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:10:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:10:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:10:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:10:38,055 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:10:38,055 INFO L285 CfgBuilder]: Removed 453 assume(true) statements. [2019-11-20 09:10:38,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:38 BoogieIcfgContainer [2019-11-20 09:10:38,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:10:38,058 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 09:10:38,058 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 09:10:38,061 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 09:10:38,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:10:38,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:10:34" (1/3) ... [2019-11-20 09:10:38,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51fa2a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:10:38, skipping insertion in model container [2019-11-20 09:10:38,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:10:38,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:35" (2/3) ... [2019-11-20 09:10:38,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51fa2a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:10:38, skipping insertion in model container [2019-11-20 09:10:38,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:10:38,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:38" (3/3) ... [2019-11-20 09:10:38,066 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec1_product14.cil.c [2019-11-20 09:10:38,113 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 09:10:38,113 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 09:10:38,113 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 09:10:38,114 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:10:38,114 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:10:38,114 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 09:10:38,114 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:10:38,114 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 09:10:38,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 754 states. [2019-11-20 09:10:38,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-20 09:10:38,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:10:38,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:10:38,225 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:38,225 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:10:38,225 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 09:10:38,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 754 states. [2019-11-20 09:10:38,241 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-20 09:10:38,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:10:38,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:10:38,248 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:38,248 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:10:38,254 INFO L794 eck$LassoCheckResult]: Stem: 484#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~mail_is_sensitive~0 := -1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(10);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(34);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(16);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(20);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(10);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(12);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(10);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(18);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(16);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(115, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(30);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(9);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(25);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(44);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(44);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(11);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(19);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string117.base, #t~string117.offset, 1);call write~init~int(100, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(10, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string120.base, #t~string120.offset, 1);call write~init~int(100, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(10, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 395#L-1true havoc main_#res;havoc main_#t~ret112, main_~retValue_acc~32, main_~tmp~18;havoc main_~retValue_acc~32;havoc main_~tmp~18; 409#L1595true havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 619#L1603true main_#t~ret112 := valid_product_#res;main_~tmp~18 := main_#t~ret112;havoc main_#t~ret112; 138#L2340true assume 0 != main_~tmp~18;havoc setup_#t~nondet107, setup_#t~nondet109, setup_#t~nondet111, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 266#L1102true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 568#L1108-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 645#L667true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 254#L673-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string106.base, #t~string106.offset;havoc setup_#t~nondet107;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 271#L1102-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 577#L1108-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 616#L667-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 234#L673-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string108.base, #t~string108.offset;havoc setup_#t~nondet109;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 274#L1102-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 545#L1108-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 627#L667-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 210#L673-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string110.base, #t~string110.offset;havoc setup_#t~nondet111; 86#L2327true havoc test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~16, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 390#L2168-1true [2019-11-20 09:10:38,254 INFO L796 eck$LassoCheckResult]: Loop: 390#L2168-1true assume !false; 709#L2023true assume test_~splverifierCounter~0 < 4; 424#L2024true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 43#L2030true assume !(0 == test_~op1~0); 656#L2043true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet89;havoc test_#t~nondet89; 482#L2048true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 390#L2168-1true [2019-11-20 09:10:38,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:38,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-20 09:10:38,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:38,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474263850] [2019-11-20 09:10:38,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:38,624 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474263850] [2019-11-20 09:10:38,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:38,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:10:38,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083029600] [2019-11-20 09:10:38,629 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 09:10:38,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:38,630 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-20 09:10:38,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:38,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121965510] [2019-11-20 09:10:38,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:10:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:10:38,699 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:10:38,758 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:10:38,759 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:10:38,759 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:10:38,759 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:10:38,759 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 09:10:38,759 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:38,760 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:10:38,760 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:10:38,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product14.cil.c_Iteration1_Loop [2019-11-20 09:10:38,761 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:10:38,761 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:10:38,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:38,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:38,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:38,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:38,906 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:10:38,907 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:38,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 09:10:38,923 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:10:38,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 09:10:38,944 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:38,953 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 09:10:38,957 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:10:38,957 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:10:38,957 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:10:38,957 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:10:38,957 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:10:38,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:38,958 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:10:38,958 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:10:38,958 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product14.cil.c_Iteration1_Loop [2019-11-20 09:10:38,958 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:10:38,958 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:10:38,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:38,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:38,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:38,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:39,059 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:10:39,063 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:10:39,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:39,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:10:39,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:10:39,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:10:39,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:10:39,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:10:39,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:10:39,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:10:39,087 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:10:39,138 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 09:10:39,138 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:10:39,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 09:10:39,191 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 09:10:39,191 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:10:39,192 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:39,196 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 09:10:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:39,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:10:39,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:39,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 09:10:39,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:39,470 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 09:10:39,472 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 754 states. Second operand 4 states. [2019-11-20 09:10:39,760 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 754 states.. Second operand 4 states. Result 3404 states and 5984 transitions. Complement of second has 7 states. [2019-11-20 09:10:39,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 09:10:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 09:10:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3432 transitions. [2019-11-20 09:10:39,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3432 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-20 09:10:39,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:10:39,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3432 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-20 09:10:39,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:10:39,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3432 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-20 09:10:39,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:10:39,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3404 states and 5984 transitions. [2019-11-20 09:10:39,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2019-11-20 09:10:39,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3404 states to 1035 states and 1896 transitions. [2019-11-20 09:10:39,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2019-11-20 09:10:39,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2019-11-20 09:10:39,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2019-11-20 09:10:39,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 09:10:39,831 INFO L688 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2019-11-20 09:10:39,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2019-11-20 09:10:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2019-11-20 09:10:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2019-11-20 09:10:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2019-11-20 09:10:39,888 INFO L711 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2019-11-20 09:10:39,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:10:39,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:10:39,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:10:39,893 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2019-11-20 09:10:39,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:39,945 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2019-11-20 09:10:39,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:10:39,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2019-11-20 09:10:39,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2019-11-20 09:10:39,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2019-11-20 09:10:39,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2019-11-20 09:10:39,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2019-11-20 09:10:39,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2019-11-20 09:10:39,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 09:10:39,967 INFO L688 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2019-11-20 09:10:39,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2019-11-20 09:10:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2019-11-20 09:10:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-11-20 09:10:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2019-11-20 09:10:39,982 INFO L711 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-20 09:10:39,983 INFO L591 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-20 09:10:39,983 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 09:10:39,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2019-11-20 09:10:39,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-20 09:10:39,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:10:39,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:10:39,988 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:39,988 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:39,988 INFO L794 eck$LassoCheckResult]: Stem: 6198#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~mail_is_sensitive~0 := -1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(10);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(34);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(16);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(20);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(10);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(12);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(10);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(18);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(16);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(115, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(30);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(9);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(25);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(44);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(44);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(11);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(19);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string117.base, #t~string117.offset, 1);call write~init~int(100, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(10, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string120.base, #t~string120.offset, 1);call write~init~int(100, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(10, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 5887#L-1 havoc main_#res;havoc main_#t~ret112, main_~retValue_acc~32, main_~tmp~18;havoc main_~retValue_acc~32;havoc main_~tmp~18; 5888#L1595 havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 6049#L1603 main_#t~ret112 := valid_product_#res;main_~tmp~18 := main_#t~ret112;havoc main_#t~ret112; 6135#L2340 assume 0 != main_~tmp~18;havoc setup_#t~nondet107, setup_#t~nondet109, setup_#t~nondet111, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6136#L1102 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6036#L1108-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6276#L667 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6025#L673-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string106.base, #t~string106.offset;havoc setup_#t~nondet107;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6293#L1102-2 assume !(1 == setClientId_~handle); 6062#L1105-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 6063#L1108-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6282#L667-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6039#L673-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string108.base, #t~string108.offset;havoc setup_#t~nondet109;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6281#L1102-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5971#L1108-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6241#L667-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6065#L673-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string110.base, #t~string110.offset;havoc setup_#t~nondet111; 6075#L2327 havoc test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~16, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 6076#L2168-1 assume !false; 5852#L2023 [2019-11-20 09:10:39,989 INFO L796 eck$LassoCheckResult]: Loop: 5852#L2023 assume test_~splverifierCounter~0 < 4; 6093#L2024 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 5941#L2030 assume !(0 == test_~op1~0); 5943#L2043 assume !(0 == test_~op2~0); 6190#L2054 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet90;havoc test_#t~nondet90; 6179#L2059 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6180#L667-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5973#L673-11 test_~op3~0 := 1; 5851#L2168-1 assume !false; 5852#L2023 [2019-11-20 09:10:39,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:39,989 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-20 09:10:39,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:39,990 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178378537] [2019-11-20 09:10:39,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:40,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178378537] [2019-11-20 09:10:40,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:40,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:10:40,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954101649] [2019-11-20 09:10:40,117 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 09:10:40,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:40,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-20 09:10:40,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:40,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319295356] [2019-11-20 09:10:40,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:10:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:10:40,135 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:10:40,208 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:10:40,208 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:10:40,208 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:10:40,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:10:40,209 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 09:10:40,209 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:40,209 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:10:40,209 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:10:40,209 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product14.cil.c_Iteration2_Loop [2019-11-20 09:10:40,209 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:10:40,210 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:10:40,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,388 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:10:40,389 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:10:40,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 09:10:40,401 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:10:40,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 09:10:40,419 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:40,427 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 09:10:40,429 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:10:40,430 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:10:40,430 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:10:40,430 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:10:40,430 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:10:40,430 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:40,430 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:10:40,430 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:10:40,431 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product14.cil.c_Iteration2_Loop [2019-11-20 09:10:40,431 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:10:40,431 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:10:40,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:10:40,641 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:10:40,642 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:10:40,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:10:40,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:10:40,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:10:40,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:10:40,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:10:40,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:10:40,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:10:40,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:40,665 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:10:40,669 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 09:10:40,669 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df851b0d-1cd4-442d-9e64-ffc924cb6a6d/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:10:40,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 09:10:40,686 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 09:10:40,686 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:10:40,687 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:10:40,696 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 09:10:40,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:40,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:10:40,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:40,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 09:10:40,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:41,015 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 09:10:41,015 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2019-11-20 09:10:41,059 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2019-11-20 09:10:41,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 09:10:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 09:10:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2019-11-20 09:10:41,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-20 09:10:41,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:10:41,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-20 09:10:41,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:10:41,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-20 09:10:41,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:10:41,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2019-11-20 09:10:41,075 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:10:41,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2019-11-20 09:10:41,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:10:41,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:10:41,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:10:41,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:10:41,076 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:10:41,076 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:10:41,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:10:41,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:10:41,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:10:41,077 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-20 09:10:41,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:41,077 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 09:10:41,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:10:41,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 09:10:41,077 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:10:41,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:10:41,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:10:41,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:10:41,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:10:41,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:10:41,078 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:10:41,078 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:10:41,078 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:10:41,078 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 09:10:41,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:10:41,079 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:10:41,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 09:10:41,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:10:41 BoogieIcfgContainer [2019-11-20 09:10:41,084 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 09:10:41,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:10:41,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:10:41,085 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:10:41,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:38" (3/4) ... [2019-11-20 09:10:41,088 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:10:41,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:10:41,093 INFO L168 Benchmark]: Toolchain (without parser) took 6792.85 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.2 MB). Free memory was 939.4 MB in the beginning and 1.3 GB in the end (delta: -347.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:41,093 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:10:41,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 977.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:41,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:41,096 INFO L168 Benchmark]: Boogie Preprocessor took 115.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:41,101 INFO L168 Benchmark]: RCFGBuilder took 2539.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 84.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.7 MB). Peak memory consumption was 252.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:41,102 INFO L168 Benchmark]: BuchiAutomizer took 3026.12 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 121.1 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -101.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:41,102 INFO L168 Benchmark]: Witness Printer took 3.99 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:10:41,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 977.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2539.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 84.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.7 MB). Peak memory consumption was 252.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3026.12 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 121.1 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -101.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4082 SDtfs, 3587 SDslu, 5213 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 127ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...